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go-monero/cmd/monero/commands/daemon/get_block_header.go
2022-10-05 09:40:23 +02:00

90 lines
1.8 KiB
Go

package daemon
import (
"fmt"
"github.com/spf13/cobra"
"git.gammaspectra.live/P2Pool/go-monero/cmd/monero/display"
"git.gammaspectra.live/P2Pool/go-monero/cmd/monero/options"
"git.gammaspectra.live/P2Pool/go-monero/pkg/rpc/daemon"
)
type getBlockHeaderCommand struct {
Hashes []string
Height uint64
Unwrap bool
JSON bool
}
func (c *getBlockHeaderCommand) Cmd() *cobra.Command {
cmd := &cobra.Command{
Use: "get-block-header",
Short: "retrieve block(s) header(s) by hash",
RunE: c.RunE,
}
cmd.Flags().BoolVar(&c.JSON, "json",
false, "whether or not to output the result as json")
cmd.Flags().Uint64Var(&c.Height, "height",
0, "height of a block to fetch")
cmd.Flags().StringArrayVar(&c.Hashes, "hash",
[]string{}, "hash of the block to get the header of")
return cmd
}
func (c *getBlockHeaderCommand) RunE(_ *cobra.Command, _ []string) error {
ctx, cancel := options.RootOpts.Context()
defer cancel()
client, err := options.RootOpts.Client()
if err != nil {
return fmt.Errorf("client: %w", err)
}
if len(c.Hashes) > 0 {
resp, err := client.GetBlockHeaderByHash(ctx, c.Hashes)
if err != nil {
return fmt.Errorf("get block header by hash: %w", err)
}
if c.JSON {
return display.JSON(resp)
}
c.pretty(resp.BlockHeaders)
return nil
}
resp, err := client.GetBlockHeaderByHeight(ctx, c.Height)
if err != nil {
return fmt.Errorf("get block header by height: %w", err)
}
if c.JSON {
return display.JSON(resp)
}
c.pretty([]daemon.BlockHeader{resp.BlockHeader})
return nil
}
// nolint:forbidigo
func (c *getBlockHeaderCommand) pretty(blockHeaders []daemon.BlockHeader) {
table := display.NewTable()
for _, blockHeader := range blockHeaders {
prettyBlockHeader(table, blockHeader)
table.AddRow("")
}
fmt.Println(table)
}
func init() {
RootCommand.AddCommand((&getBlockHeaderCommand{}).Cmd())
}